C文件基本操作

#include <stdio.h>

指针定义：FILE *fp;

打开文件：fp = fopen(“file path”, “W+”);

文件操作：fprintf(fp, “value：%d”, val);

文件关闭：fclose(fp);

如文件写入：
FILE *fp = fopen(“hello.c”, “w+”);
fprintf(fp, “where is my god?\nI am where you can’t find watching you!”);
fclose(fp);